Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
OEM-Level Audio Integration Made Simple. The Vehicle Specific T-Harness allows you to tap into your Sierra's factory audio system without cutting or altering stock wiring. Designed to interface directly with IO5 and IO6 RPO code head units, it makes amplifier or processor integration straightforward, retaining the integrity of your vehicle’s electronics and controls.
Engineered for Quality and Clean Installations. Featuring pre-terminated ends and factory-style connectors, this harness provides a secure, noise-free signal connection. It supports full functionality of factory audio controls and is ideal for builds that include upgraded subs, amps, or sound processors. A smart solution for any Sierra audio upgrade.
Installation. This product installs using plug-and-play connectors behind the factory radio; no splicing is required.
Application. This Vehicle Specific Audio Integration T-Harness for IO5/IO6 RPO Codes fits 2015–2019 Sierra 2500 HD models with IO5 or IO6 factory audio systems.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box